How do you test a ruby?

The rub test includes rubbing your ruby across a smooth (but hard) surface, like glass, and seeing if the gem leaves any color behind. Glass only has a hardness of 5 on the Mohs scale, so it's much softer than actual rubies. Real rubies and some gems shouldn't leave any color behind, but cheap fakes or imitations can.
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How do you test a ruby at home?

Grind a coin or fingernail into your ruby's surface and see if it is getting scratches. If your stone is showing a scratch, then it is not a real ruby. Scratch the ruby against a hard surface such as a piece of clear glass or a porcelain tile. Keep in mind to check if the ruby stone leaves a red mark on the surface.
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How do you test a ruby for red?

Use the ruby to scratch a hard, smooth surface, such as a piece of glass. If there is a streak of red color left behind on the surface, then it is clear that your stone is a fake. A real ruby will never leave color in that way.
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How do you tell if it's a ruby or garnet?

Rubies are harder, a much more brilliant red, and much more expensive. Examine the color closely. If the stone has hints of orange or other earthy tones — other than red — it's likely a garnet. Rubies are considered best with a vivid redness, but sometimes they have purplish or bluish secondary hues.
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How do you tell if a ruby is real with a flashlight?

Tell by the color and the shine.

Real rubies glow with a deep, vivid, almost "stoplight" red. Fake gems are often dull: they are "light, but not bright." If the gem is more of a dark red, then it may be garnet instead of a ruby.
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How to Tell if a Ruby is Fake: Detective Gigi and the Case of the $2 Ruby



How do you test if a ruby is real?

The rub test includes rubbing your ruby across a smooth (but hard) surface, like glass, and seeing if the gem leaves any color behind. Glass only has a hardness of 5 on the Mohs scale, so it's much softer than actual rubies. Real rubies and some gems shouldn't leave any color behind, but cheap fakes or imitations can.
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Is there a tester for rubies?

Dupeakya diamond tester is an electronic instrument designed and manufactured according to the thermal conductivity of diamonds to identify the true and false diamonds. It can also be used for testing sapphire, ruby, crystal, agate and other stones.
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Do rubies glow under black light?

Answer: All rubies fluoresce, whether they're mined or created in a lab, since natural and synthetic ruby gemstones have the same chemical composition and physical properties.
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What does a ruby look like raw?

It is much easier to tell if a ruby is real when it is raw and uncut, for a variety of reasons. Rubies like to grow in a flat, hexagonal shape. If the uncut gem shows this natural growth characteristic, along with parts of its host rock (marble or alkali basalt) still attached, it is very likely it is a real ruby.
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How much is a small ruby worth?

Pricing a Ruby Gemstone. Like any other gemstone, the cost of a ruby can vary depending on the quality and carat weight. Note that carat weight is the unit of measurement that most gemstones are weighted by (1 carat = 0.2 grams). Rubies can run as little as $1 a carat to $100,000+ a carat, depending on the 4Cs.
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How can you tell a natural ruby from synthetic?

Chemical traces are left in the stone of a lab-created ruby and this is not seen in natural rubies. Minimal internal flaws, higher quality at a lower price and a larger ruby for the same price as a smaller one will tell you that it is synthetic.
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Do rubies sparkle?

Do rubies sparkle? Yes. However, it sparkles differently than diamond. Specifically, its sparkle is a subtle red and orange/pink, whereas diamond gives off an extreme rainbow and white sparkle.
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How can you tell if a gemstone is real?

A genuine diamond should be able to cut through glass easily, while fakes cannot. Sapphires come in right behind diamonds in terms of gemstone hardness. Since it is just a strong and durable stone, there should be no scratches. If there are nicks on the stone, then it is most likely a fake gemstone.
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What is the first step in identifying a gemstone?

Step 1 - Basic Observation: Color, Transparency, and Specific Gravity
  1. Color: Hue, Tone, Saturation. The easiest clue for separating and identifying gemstones is color. ...
  2. Hue. First, note your gemstone's basic overall body color (or "hue") by viewing it as a whole. ...
  3. Tone. ...
  4. Saturation. ...
  5. Transparency and Specific Gravity.
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How gems are tested?

Simple tests are used to help identify a gem. Hardness: mohs hardness scale and other measurements. Although a somewhat destructive test, hardness values can be quite diagnostic.
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Is there an app to identify gemstones?

The Gemstone Discovery app by JTV allows you to build and organize your unique gemstone collection anywhere and anytime. Explore your passion for gemstone collecting by creating a record for each gemstone with important facts, appraisal documents, photos and other details all in one place.
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How does ruby look like?

Rubies are red gemstones that consist in the corundum family. Most rubies have a strong red color, although the precise color of rubies can range from blood-red to orangy-red, purple-red, brown-red or even a pink-red tone.
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Do gemstone testers work?

The latest diamond testers on the market now include both thermal and electrical conductivity tests. While diamond testers have been fairly successful, attempts to use this technology to detect colored gemstones have not fared nearly as well.
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Can a ruby be scratched?

Ruby Scratch Tests

As we mentioned earlier, Ruby is one of the hardest gemstones, therefore it should not be easily scratched: With a damp of cloth or a toothbrush clean the ruby, in order to remove any debris or marks. Then dig your fingernail into the gemstone to see if you can leave a scratch.
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Do real rubies have bubbles?

Gas bubbles are in the glass and not the corundum (ruby) part of the stone. Gas bubbles do not occur "free floating" in ruby or sapphire.
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Who should not wear ruby?

Taurus, Virgo, Capricorn, Aquarius, Libra, Capricorn, and Pisces ascendants should never wear rubies. This is because of the Sun's position and its enmity with these planetary positions.
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How can you tell a good quality ruby?

The Color of Ruby

Color is the most significant factor affecting a ruby's value. The finest ruby has a pure, vibrant red to slightly purplish red color. In most markets, pure red colors command the highest prices and ruby with overtones of orange and purple are less valued.
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